Oilfield Glossary

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Note: Definitions provided on this website are for reference purposes only. Engineers and professionals should independently confirm all information using industry standards.

Casing centralizer

A mechanical device attached to the outside of the casing string to keep it centered in the wellbore. Proper centralization is crucial for a good cement job.

It ensures mud can be displaced evenly around the pipe, preventing 'channeling' where cement misses a side of the hole.

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